this repo has no description
CoreAudio: Add DefaultOutputAU, fix some bugs
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+6
-2
src/CoreAudio/AudioToolbox/AudioComponentManager.mm
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src/CoreAudio/AudioToolbox/AudioComponentManager.mm
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static UInt32 stringToFourCC(CFStringRef str)
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{
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union {
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char chars[4];
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char chars[5]; // CFStringGetCString requires space for the NUL character
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uint32_t code;
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} cc;
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if (CFStringGetLength(str) != 4)
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return 0;
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if (!CFStringGetCString(str, cc.chars, 4, kCFStringEncodingUTF8))
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if (!CFStringGetCString(str, cc.chars, 5, kCFStringEncodingUTF8))
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return 0;
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#if __LITTLE_ENDIAN__
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cc.code = __builtin_bswap32(cc.code);
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#endif
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return cc.code;
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}
+1
src/CoreAudio/CoreAudioComponent/CMakeLists.txt
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src/CoreAudio/CoreAudioComponent/CMakeLists.txt
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src/CoreAudio/CoreAudioComponent/DefaultOutputAU.cpp
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src/CoreAudio/CoreAudioComponent/DefaultOutputAU.cpp
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/*
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This file is part of Darling.
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Copyright (C) 2020 Lubos Dolezel
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Darling is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Darling is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Darling. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "DefaultOutputAU.h"
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#pragma GCC visibility push(default)
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AUDIOCOMPONENT_ENTRY(AUOutputBaseFactory, DefaultOutputAU);
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#pragma GCC visibility pop
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enum {
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kOutputBus = 0,
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kInputBus
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};
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DefaultOutputAU::DefaultOutputAU(AudioComponentInstance inInstance)
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: AUHAL(inInstance)
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{
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}
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OSStatus DefaultOutputAU::GetPropertyInfo(AudioUnitPropertyID inID, AudioUnitScope inScope, AudioUnitElement inElement, UInt32& outDataSize, Boolean& outWritable)
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{
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OSStatus status = AUHAL::GetPropertyInfo(inID, inScope, inElement, outDataSize, outWritable);
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if (inID == kAudioOutputUnitProperty_CurrentDevice)
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outWritable = false;
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return status;
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}
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OSStatus DefaultOutputAU::SetProperty(AudioUnitPropertyID inID, AudioUnitScope inScope,
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AudioUnitElement inElement, const void* inData, UInt32 inDataSize)
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{
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switch (inID)
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{
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case kAudioOutputUnitProperty_CurrentDevice:
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return kAudioUnitErr_InvalidProperty;
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}
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return AUHAL::SetProperty(inID, inScope, inElement, inData, inDataSize);
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}
+32
src/CoreAudio/CoreAudioComponent/DefaultOutputAU.h
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src/CoreAudio/CoreAudioComponent/DefaultOutputAU.h
···
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/*
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This file is part of Darling.
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+
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Copyright (C) 2020 Lubos Dolezel
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+
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Darling is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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+
(at your option) any later version.
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+
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Darling is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Darling. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _CA_DEFAULT_OUTPUT_AU_H
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#define _CA_DEFAULT_OUTPUT_AU_H
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#include "AUHAL.h"
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class DefaultOutputAU : public AUHAL
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{
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public:
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DefaultOutputAU(AudioComponentInstance inInstance);
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OSStatus GetPropertyInfo(AudioUnitPropertyID inID, AudioUnitScope inScope, AudioUnitElement inElement, UInt32& outDataSize, Boolean& outWritable) override;
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OSStatus SetProperty(AudioUnitPropertyID inID, AudioUnitScope inScope, AudioUnitElement inElement, const void* inData, UInt32 inDataSize) override;
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};
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#endif
+10
src/CoreAudio/CoreAudioComponent/SystemOutputAU.cpp
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src/CoreAudio/CoreAudioComponent/SystemOutputAU.cpp
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AudioHardwareGetProperty(kAudioHardwarePropertyDefaultSystemOutputDevice, &propSize, &m_outputDevice);
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}
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OSStatus SystemOutputAU::GetPropertyInfo(AudioUnitPropertyID inID, AudioUnitScope inScope, AudioUnitElement inElement, UInt32& outDataSize, Boolean& outWritable)
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{
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OSStatus status = AUHAL::GetPropertyInfo(inID, inScope, inElement, outDataSize, outWritable);
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if (inID == kAudioOutputUnitProperty_CurrentDevice)
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outWritable = false;
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return status;
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}
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OSStatus SystemOutputAU::SetProperty(AudioUnitPropertyID inID, AudioUnitScope inScope,
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AudioUnitElement inElement, const void* inData, UInt32 inDataSize)
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{
+1
src/CoreAudio/CoreAudioComponent/SystemOutputAU.h
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src/CoreAudio/CoreAudioComponent/SystemOutputAU.h
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{
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public:
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SystemOutputAU(AudioComponentInstance inInstance);
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OSStatus GetPropertyInfo(AudioUnitPropertyID inID, AudioUnitScope inScope, AudioUnitElement inElement, UInt32& outDataSize, Boolean& outWritable) override;
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OSStatus SetProperty(AudioUnitPropertyID inID, AudioUnitScope inScope, AudioUnitElement inElement, const void* inData, UInt32 inDataSize) override;
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};
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+2
-2
src/CoreAudio/include/AudioToolbox/AudioComponent.h
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-2
src/CoreAudio/include/AudioToolbox/AudioComponent.h
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#include <CoreFoundation/CFDictionary.h>
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#include <CoreServices/MacTypes.h>
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#ifndef __cplusplus
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#ifdef __cplusplus
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extern "C" {
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#endif
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···
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OSStatus AudioComponentValidate(AudioComponent component, CFDictionaryRef validationParams, AudioComponentValidationResult* result);
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#ifndef __cplusplus
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#ifdef __cplusplus
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}
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#endif
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